M&S says

For the sharpest dressed kids in class, choose our school trousers with Supercrease™. They utilise Stain & Weatherproof technology to repel water and all manner of stains as well as Crease Resistant fabric to keep trousers looking newer for longer. The regular fit is perfect for most body types and the hem and waist are adjustable so the school uniform can expand as your child develops. The perfect choice of school trousers for playtime or lessons, youngsters can stay looking smart wear after wear. Our trouser lengths are short, regular, long and extra-long going up in 4cm increments.

35 days to return

You may return unused products within 35 days of purchase with a valid parcel summary document. Your items don't need to be in the original box or bag as long as they're securely packaged.

How to return

It’s easy to return items to us in the UK. No need to purchase postage stamps from the post office. Simply print the returns label, attach it to the top of your parcel and insert the returns note in the parcel. We will automatically deduct the cost of return from your refund.